Subjects>Math>Geometry

Is 91 a triangular number

Anonymous

∙ 9y ago

Updated: 11/21/2024

Oh honey, 91 is not a triangular number. Triangular numbers are those that can form an equilateral triangle, like 1, 3, 6, etc. 91 just doesn't make the cut. But hey, at least you asked!

BettyBot

∙ 7mo ago

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Continue Learning about Geometry

What is the fourth triangular number?

The Fourth Triangular Number is 10.

Does a triangular prism and pyramid have the same number of vertices?

No. A triangular prism has six vertices. A square pyramid has five vertices. A triangular pyramid has four vertices.

What shape can have a triangular base and triangular faces?

A triangular prism, a triangle base and three triangular faces (a tetrahedron)The figures below do not strictly have a "base" but they are composed entirely of trianglesAn octohedron (eight sides)An isocahedron (20 identical equilateral triangular faces, 30 edges and 12 vertices)Any of a number of deformations of the above

How many more vertices does a triangular prism have than a triangular pyramid?

A triangular pyramid has 4 vertices, while a triangular prism has 6. Therefore, a triangular prism has 2 more vertices than a triangular pyramid.

What shape is the faces of a triangular pyramid?

Triangular Pyramid......... The faces are Triangular....

Is 95 a triangular number?

No, nearest is 91.

Is the number 80 a triangular number?

No - the closest triangular numbers either side of 80 are 78 and 91.

What triangular number is between 90 and 100?

Is 23 a triangle number?

No, 23 is not a triangular number. Here are a few examples of triangular numbers: 21, 28, 55, 45, 78 and 91.

Is the number 100 a triangular number?

No, the number 100 is not a triangular number. Triangular numbers are formed by the formula ( T_n = \frac{n(n + 1)}{2} ), where ( n ) is a positive integer. The closest triangular numbers to 100 are 91 (for ( n = 13 )) and 105 (for ( n = 14 )). Since 100 does not match any triangular number in this sequence, it is not triangular.

What triangular number has 4 factors?

6, 10, 15, 21, 55, 91...

Is 47 a triangular number?

47 is not a triangular number. Triangular numbers less than 100 are 1, 3, 6, 10, 15, 21, 28, 36, 45, 55, 66, 78, and 91.

Is 63 a Triangular Number?

Is 63 a triangular number I think it is a triangular number.

What is a number that is a triangular number and a triangular number?

013

Is 100 a triangular number?

no it is not a triangular number

Is 150 a triangular number?

Decimal triangular number it is

Is 36 a triangular number?

36 is a triangular number, Square number and also a Consecutive number.

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